public switched telephone network (PSTN)
GPTKB entity
Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:telecommunications_company
|
| gptkbp:abbreviation |
gptkb:PSTN
|
| gptkbp:alsoKnownAs |
gptkb:plain_old_telephone_service
|
| gptkbp:composedOf |
cellular networks
fiber optic cables satellite networks telephone lines undersea telephone cables microwave transmission links circuit-switched networks |
| gptkbp:connects |
telephone exchanges
subscriber telephones private branch exchanges (PBX) |
| gptkbp:function |
enables voice communication
enables data communication enables fax transmission |
| https://www.w3.org/2000/01/rdf-schema#label |
public switched telephone network (PSTN)
|
| gptkbp:originatedIn |
late 19th century
|
| gptkbp:regulates |
national telecommunications authorities
|
| gptkbp:relatedTo |
gptkb:Integrated_Services_Digital_Network_(ISDN)
gptkb:VoIP gptkb:smartphone industrial equipment mobile networks fax machine modem telephony touch-tone dialing rotary dial telephone handset subscriber line telephone pole trunk line telephone directory telephone number automatic switching manual switchboard telephone wire |
| gptkbp:replacedBy |
gptkb:Voice_over_IP_(VoIP)
|
| gptkbp:supports |
emergency services
international calls local calls long-distance calls |
| gptkbp:technology |
circuit-switched
|
| gptkbp:transitioningTo |
packet-switched networks
|
| gptkbp:uses |
digital technology
analog technology signaling system 7 (SS7) |
| gptkbp:分布地区 |
yes
|
| gptkbp:bfsParent |
gptkb:smartphone
|
| gptkbp:bfsLayer |
5
|